In the manga and anime series Tokyo Revengers, the main characters deal with feelings of regret and guilt in various ways. Takemichi, the protagonist, often faces intense remorse for his past actions and the consequences they have had on his loved ones. He copes by making a commitment to change the future and prevent further regrets. Other characters, such as Mikey and Draken, also struggle with their own past mistakes but try to find redemption through their actions in the present. Ultimately, the characters in Tokyo Revengers navigate their feelings of regret and guilt by seeking to make amends, protect their friends, and create a better future for themselves and those around them.